“We wanted a guy who was unbelievably good looking and chill, and someone who would be threatening if you found out that your wife had dated him in the past,” says executive producer Mike Sikowitz. “And he was the guy.”

Fans may also recognize Lee from his stints on Hawaii Five-O (as Sang Min) and True Blood (as Gus), and his feature films The Wolverine and San Andreas. On Dr. Ken’s guest star lineup, he joins Margaret Cho, who was previously announced to be playing Ken’s sister in an October episode.